X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
pH 6
Details 5 M AMMONIUM ACETATE, 2MM DTT, 5MM E-64, 50 MM MES/TRIS BUFFER PH 6.0 5MM E-64

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 61.14 α = 90
b = 61.14 β = 90
c = 195.06 γ = 120
Symmetry
Space Group P 65 2 2

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 283
Diffraction Detector
Detector Diffraction Type Details Collection Date
IMAGE PLATE MARRESEARCH MIRRORS 1994-02
Diffraction Radiation
Monochromator Protocol
SI(111) --
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON MPG/DESY, HAMBURG BEAMLINE BW6 -- MPG/DESY, HAMBURG BW6

Data Collection

Overall
Resolution (High) Resolution (Low) Percent Possible (Observed) R Merge I (Observed) R Sym I (Observed) Net I Over Average Sigma (I) Redundancy Number Reflections (All) Number Reflections (Observed) Observed Criterion Sigma (F) Observed Criterion Sigma (I) B (Isotropic) From Wilson Plot
1.72 46.6 82.3 0.062 -- -- 2.0 -- 19765 -- 0.0 16.85
High Resolution Shell
Resolution (High) Resolution (Low) Percent Possible (All) R Merge I (Observed) R-Sym I (Observed) Mean I Over Sigma (Observed) Redundancy Number Unique Reflections (All)
1.72 1.8 63.0 0.07 -- 10.0 1.5 --

Refinement

Statistics
Structure Solution Method Refinement High Resolution Refinement Low Resolution Cut-off Sigma (I) Cut-off Sigma (F) Number of Reflections (All) Number of Reflections (Observed) Number of Reflections (R-Free) Percent Reflections (Observed) R-Factor (All) R-Factor (Observed) R-Work R-Free R-Free Selection Details
MIR 1.75 50.0 -- 0.0 -- 18172 981 82.5 -- 0.183 0.2 0.239 RANDOM
Temperature Factor Modeling
Temperature Factor Value
Mean Isotropic B 20.66
RMS Deviations
Key Refinement Restraint Deviation
p_special_tor 0.0
p_transverse_tor 34.4
p_staggered_tor 15.6
p_planar_tor 4.5
p_xyhbond_nbd 0.118
p_multtor_nbd 0.255
p_bond_d 0.021
p_angle_d 0.033
p_planar_d 0.041
p_mcbond_it 1.9
p_mcangle_it 2.7
p_scbond_it 2.6
p_scangle_it 3.9
p_plane_restr 0.024
p_chiral_restr 0.18
p_singtor_nbd 0.179
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 1387
Nucleic Acid Atoms 0
Heterogen Atoms 29
Solvent Atoms 123

Software

Computing
Computing Package Purpose
DENZO Data Reduction (intensity integration)
SCALEPACK Data Reduction (data scaling)
CCP4 Structure Solution
REFMAC Structure Refinement
Software
Software Name Purpose
REFMAC refinement
CCP4 model building